Введение
All of the processing power of the Lenovo N21 Chromebook comes from its motherboard. In order to fix issues with the RAM, hard drive, CPU, or graphics, the whole motherboard may need replacement. In order to replace the motherboard or the camera, you will need to replace both pieces because they are connected.
Be careful when dealing with the motherboard. It is very sensitive due to its small parts. When removing it, take extra care not to touch the CPU because oil from fingers may damage the piece.
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Use a screwdriver to remove the six 5.0mm Phillips screws from the bottom housing of the Chromebook.
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Use a plastic opening tool to pry off the four rubber pegs from the bottom housing.
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Use a screwdriver to remove the four 5.0mm Phillips screws located under the rubber soles.
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Flip the laptop over and open the screen.
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Gently pry the keyboard and trackpad panel away from the bottom housing using a plastic opening tool.
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Disconnect the keyboard ribbon cable by lifting the ZIF connector lock with a plastic opening tool or fingernail and gently pulling the ribbon cable straight out of its socket.
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Disconnect the trackpad ribbon cable by lifting the ZIF connector lock with a small prying tool or fingernail and gently pulling the ribbon cable straight out of its socket.
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Use a screwdriver to remove the single 3mm Phillips screw that is holding the WiFi card in place.
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Remove the black and white wires attached to WiFi card by gently lifting them upwards.
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Carefully pry off the six small rubber pads around the screen with a plastic opening tool to expose the screws.
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Remove the six 4.0mm Phillips screws that are underneath the rubber pads with a screwdriver.
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Use a plastic opening tool to carefully pry the thin plastic frame away from the screen.
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Remove the four 3.0mm Phillips screws symmetrically placed on either side of the screen.
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Pull the cable connecting the motherboard to the screen straight out from the back of the screen.
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Remove the two 4.0 mm Phillips screws from the right side of the camera.
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Once the two screws are removed, carefully pull the camera off the top of the screen.
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Disconnect the USB cable from its ZIF connector by lifting up on the ZIF tab and pulling the cable straight out.
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Disconnect the speakers by pulling the two speaker cables straight out of their connectors.
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Use a screwdriver to remove the five 3.0mm Phillips screws from the motherboard.
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Use a screwdriver to loosen the two screws that are attached to the CPU cover in the center of the motherboard.
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Carefully remove the camera with the motherboard by gently pulling on the wires that are adhered to the back of the screen cover.
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The motherboard and camera can now be removed from the device.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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3 участников успешно повторили данное руководство.
Команда
Cal Poly, Team S21-G2, Livingston Spring 2017 Участник Cal Poly, Team S21-G2, Livingston Spring 2017
CPSU-LIVINGSTON-S17S21G2
4 членов
Автор 12 руководств
